Roni, Goddess of the Sky

For as long as Roni, goddess of the Clouds is on the battlefield instant and sorcery spells in your graveyard have flashback equal to their mana cost plus {2}
{2}: gain life equal to the number of instant and sorcery cards in all graveyards
{t}: create an X/X blue and red Weird token where X is the number of instant and sorcery cards in all graveyards